HESI A2 A&P
Which of the following lists the correct pathway of blood through the circulatory system?
Right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary artery, lungs, pulmonary veins, left atrium, mitral valve, left ventricle, aortic valve, aorta, body tissues, vena cava, right atrium
Which vertebrae fuse to form the sacrum?
Sacral vertebrae
Which of the following is the name of the imaginary vertical plane that equally divides the body into left and right?
Sagittal
Which plane divides the body into left and right sides?
Sagittal
If you were to cut the body through the median plane, what type of sectioning would occur?
Sagittal section
Which glands release an oily secretion through the hair follicles that lubricates the skin and prevents drying?
Sebaceous glands
Which part of the brain is involved in processing auditory information?
Temporal lobe
Which of the following statements about the endocrine system is false?
The hypothalamus is commonly known as the "master gland"
Which of the following is located in the thoracic cavity?
The mediastinum
The __________ carry oxygen rich blood away from the heart, while the __________ carry oxygen-depleted blood back towards the heart.
arteries; veins
Where is the popliteal artery located?
behind the knee
The hormone _____ assists estrogen in stimulating the formation of the endometrium
progesterone
An irregular epiphysis at each end is present in which of the following?
A typical long bone
What, in addition to adenosine triphosphate, must be present for a muscle to contract?
Calcium
The pulse point located on the neck is palpated over which artery?
Carotid
Which organelle is responsible for regulating the transport of substances in and out of the cell?
Cell membrane
Which of the following glands secrete earwax?
Ceruminous
Which of the following terms describes the process of forming new red blood cells?
Erythropoiesis
Which of the following muscles draw the limb away from the midline?
Abductors
The anterior lobe of pituitary glands is called which of the following?
Adenohypophysis
Which of the following gets absorbed directly into the blood?
Amino acids
What connects skin to superficial muscles?
Hypodermis
Which of the following muscles pulls a body part away from the midline of the body?
Abductors
Which important minerals are stored within the skeletal system?
Calcium and phosphorus
Wrist bones are called which of the following?
Carpals
Which of the following describes the primary function of hemoglobin?
Carries oxygen to tissues and organs
A patient who is on a plant-based diet complains that their skin is appearing to take on a yellowish color. Which of the following foods would you expect the patient to have eaten a large amount of?
Carrots
Which of the following is a molecule carrying genetic instructions for the development, functioning, growth, and reproduction for all organisms?
DNA
How does serotonin affect the body?
It helps to regulate mood, anxiety, sleep, memory, and appetite.
Which of the following describes cellular respiration?
It is an oxidative catabolic activity
Which of the following is a byproduct of anaerobic respiration that can lead to muscular fatigue, muscle cramps, muscle pain, or a burning sensation in the muscles?
Lactic acid
Using the provided image, choose the anatomical structure designated by letter B.
Left atrium
Which of the following organelles is responsible for digesting damaged cellular structures, as well as macromolecules and bacteria ingested by the cell?
Lysosomes
What type of cell division occurs in the gonads?
Meiosis
The pharynx is a conduit for air and food. It is divided into three segments which contain lymphoid structures that play significant roles in protection and defense. Which segment of the pharynx contains the pharyngeal tonsils?
Nasopharynx
Which of the following structures is part of the upper respiratory system?
Pharynx
Which of the four chambers of the heart has the thickest muscular wall?
Left ventricle
Which of the following best describes the function of the mitral valve?
Lets blood flow from the left atrium to the left ventricle
A sprain occurs when which of the following structures is stretched or torn?
Ligament
Which of the following types of cancer would present warning signs that are identified using the ABCDE method?
Melanoma
Which of the following causes bone matrix resorption in response to a decrease of calcium levels in the blood?
Osteoclasts
Which of the following is the primary organ of the female reproductive system responsible for releasing mature eggs?
Ovaries
The internal reproductive organs are located in which of the following anatomical regions?
Pelvic
Which gland releases melatonin?
Pineal glands
Which of the following makes up the largest component of while blood?
Plasma
If the femoral artery was cut, which of the following blood vessels would not receive blood as a result?
Popliteal artery
Skeletal muscle work in pairs. The muscle that executes the given movement is called which of the following?
Prime mover
Which of the following is NOT a bone of the lower extremities?
Ulna
Which of the following best describes the anatomical position?
Standing upright, facing the observer, upper extremities at the body's sides, feet flat and directed forward, and the palms facing anteriorly
What is the outermost layer of the epidermis?
Stratum corneum
Which of the following options correctly lists the layer of the epidermis from the most superficial to the deepest layer?
Stratum corneum, stratum lucidum, stratum granulosum, stratum germinativum
Stratum basale and stratum spinosum are included in which layer of the epidermis?
Stratum germinativum
Which of the following salivary glands primarily contributes to the production and secretion of saliva?
Submandibular glands
Which of the following hormones is primarily produced and secreted by the male reproductive system?
Testosterone
Which of the following describes the distal region of the humerus?
The epiphysis that articulates with the radius and ulna
Cerumen is secreted by apocrine glands located in which of the following structures?
The external auditory canal
The tube that connects the larynx to the bronchi is called ______.
Trachea
A patient complains of decreased sensation in the distal part of their arm and an inability to adduct and abduct their fingers. Based on these symptoms, which nerve is most likely compromised?
Ulnar
The ___________ artery is located in the upper arm, and is a continuation of the __________ artery.
brachial; axillary
Which of the following anatomical terms is correctly matched with its meaning?
cranial/skull
A patient with a lower than normal amount of thrombocytes could be at risk of
extensive bleeding
Which of the following organelles would you expect to find an abundance of in leukocytes?
lysosomes
White blood cells contain many ______ because they need to dispose of harmful intruders such as bacteria and viruses. Which of the following options correctly completes the statement above?
lysosomes
The heart consists of four chambers, which include __________.
right atrium, right ventricle, left atrium, left ventricle
Mitosis occurs in which layer of the skin?
stratum germinativum
Which structure lies between the thoracic and abdominal cavities?
Diaphragm
The elbow is what type of joint?
Hinge
Which type of connections do ligaments create?
Bone to bone
Which of the following structures functions in directing sound waves into the ear?
Auricle
The shoulder is an example of which type of synovial joint?
Ball and socket
In which part of the body would you find aqueous humor?
Between the lens and cornea in the eye
A tissue sample studied under a microscope exhibits the following characteristics : an extracellular matrix providing rigidity to the tissue, and presence of lacunae. Which type of tissue is this?
Bone
Listening to music stimulates which of the following organs?
Cochlea
What form of tissue provides support and structure for the organs?
Connective
Which of the following types of tissue is responsible for providing the matrix that supports and connects other tissues of the body?
Connective tissue
Which type of tissue is most widely distributed throughout the body?
Connective tissue
What is secreted by the adrenal glands?
Cortisol and aldosterone
The malleus, incus, and stapes are bones found in the _______.
Ear
Which exocrine gland produces sweat on the epidermal surface?
Eccrine
Which structure in the epidermis is responsible for cooling the body to maintain temperature homeostasis?
Eccrine glands
Which system coordinates and regulates processes within the body through the use of hormones?
Endocrine system
Which of the following organ systems is correctly paired with its function?
Endocrine/ regulation of homeostasis through hormone signaling
Which of the following types of tissues functions in the covering, lining, and protection of surfaces and body cavities?
Epithelial tissue
Eccrine glands secrete a watery substance onto the surface of the skin to maintain temperature homeostasis through which process?
Evaporation
In which of the following reproductive structures does the fertilization of an ovum occur?
Fallopian tube
Which bones form via intramembranous ossification?
Flat bones of the skull, the mandible, and the clavicles
Which of the following occurs when the sympathetic nervous system is stimulated?
Heart rate increases, pupils dilate, digestion slows down
In what area of the body would you expect to find especially thick stratum corneum?
Heel of the foot
The diaphragm is ________ to the lungs.
Inferior
Which of the following about the hyoid bone is correct?
It is the only bone that does not articulate with any other bone
What type of animal tissue is composed of neurons and neuroglia?
Nervous
Which organelle is responsible for storing DNA?
Nucleus
Where does digestion begin in the alimentary canal?
Oral cavity
The respiratory system is composed of organs that facilitate gas exchange between the blood and the external environment. Which of the following describes the group of organs that function during gas exchange?
Organ system
Which of the following is the correct sequence of transport of filtrate from the nephrons to the renal pelvis?
Proximal Convoluted Tubule -- Loop of Henle -- Distal Convoluted Tubule -- Collecting Duct -- Minor Calyx -- Renal Pelvis
Reabsorption of water and electrolytes occur in various parts of the renal tubules. In which segment is sodium mostly reabsorbed?
Proximal Convoluted Tubules
Which blood vessel returns blood from the lungs back to the heart?
Pulmonary vein
The carpals articulate with the distal ends of which two bones?
Radius and ulna
Which of the following could result from a damaged olfactory nerve?
Reduced sense of smell
What is one of the functions of the hypothalamus?
Regulating body temperature
Which of the following is not a function of cortisol?
Release growth hormone
Which part of the eye allows us to see color?
Retina
Which of the following cell organelles is correctly paired with its function?
Ribosome/Protein synthesis
Which organ is responsible for most of the nutrient absorption in the body?
Small intestine
What is erythropoiesis and where does it occur?
The formation of red blood cells; red bone marrow
Where is the tibialis anterior located?
The front of the lower extremities
What is the function of endocrine glands?
They secrete hormones directly into the blood
T-lymphocytes are developed by which of the following glands?
Thymus
Which muscle is located towards the front of the lower leg?
Tibialis anterior
Which of the following is defined as "a group of similar cells and their intracellular matrix that carry out a specific function together?"
Tissues
Which of the following is a primary function of the male and/or female reproductive systems?
To produce gametes
What is the purpose of gastric mucous?
To protect the stomach lining from acid and digestive enzymes.
What is the function of the sebaceous glands?
To secrete oil that lubricates the skin and prevents drying
Urine travels from the kidney to the urinary bladder through which structure?
Ureter
Which of the following male reproductive organs is also a part of the urinary system?
Urethra
Which of the following muscles is located towards the outer side of the leg?
Vastus lateralis
Which of the following features of veins results in the venous system operating at lower pressures than the arterial side?
Veins have thinner, more compliant vessel walls than arteries.
The right atrium receives blood from the __________.
Vena cava
Which blood vessel delivers blood directly into the right atrium?
Vena cava
A patient reveals to you that they were recently involved in a car accident that they believe resulted in a deviated septum. Which of the following bones may have been injured in the accident, resulting in the deviated septum?
Vomer
What does the presence of antidiuretic hormone secrete?
Water reabsorption from the urinary filtrate
A patient complaining of pain in their sternum reveals that they were recently in a mild car accident. Which of the following structures may have been injured in the accident?
Xiphoid process
Which of the following acts as a store for fats and aids in bone function?
Yellow bone marrow
The components found in blood that carry out blood clotting are:
thrombocytes
The functions of the circulatory system include all of the following except:
to deliver carbon dioxide to body tissues