A&P Mastery Unit 1 Ch 1 Practice Q 1

What is the role of the sections called Concept Boosts? Provide you with critical-thinking and problem-solving questions so you can apply your knowledge. Introduce new concepts and terminology. Help you remember previous terms and concepts. Coach you through challenging concepts.

Coach you through challenging concepts. Correct The Concept Boosts explain particularly challenging concepts.

Which of the following statements about homeostasis is correct? > Regulatory mechanisms and feedback loops are either "on" or "off." > Only certain physiological variables can be controlled by homeostatic mechanisms. > Negative feedback has bad consequences for the body. > The internal environment of the body is stable and static.

Only certain physiological variables can be controlled by homeostatic mechanisms. Correct Only the physiological variables which can be detected by cellular receptors can be controlled by homeostatic mechanisms.

Homeostasis is defined as __________. A). The relationship between structure and function B). The chemical processes that take place inside the body C). The ability of the body to respond to external stimuli D). The maintenance of a relatively stable internal environment

The maintenance of a relatively stable internal environment. Correct Homeostasis is the ability of the body to maintain a relatively stable internal environment.

Rheumatic fever is a disease that can result in decreased amount of serous fluid in the pericardial sac. Predict the effect of this condition. There will be increased lubrication between the visceral and parietal pericardium. The visceral and parietal membranes will separate. There will be increased friction between the visceral and parietal pericardium. There will be increased pressure between the visceral and parietal pericardium.

There will be increased friction between the visceral and parietal pericardium. Correct The condition of increased friction between the visceral and parietal pericardium is called pericardial friction rub.

What do the green arrows in this figure represent? static internal environment a negative feedback loop a positive feedback loop body temperature regulation

a positive feedback loop Correct A positive feedback loop occurred because platelets stimulated other platelets and the effect was reinforced and amplified until a clot was formed.

A neuron stimulating a muscle cell is an example of __________. positive feedback loop negative feedback loop cell-cell communication cytology

cell-cell communication Correct The nerve cell releases chemical messengers into the space near the muscle cell and they trigger changes that lead to a muscle contraction. This is an example of how cells communicate.

A fracture in the left femoral region that is 5 centimeters proximal to the patellar region and 30 centimeters distal to the coxal region will be __________. in the left thigh, close to the hip in the diaphysis of the left femur, close to the knee in the left arm, close to the elbow in the left arm, close to the shoulder

In the diaphysis of the left femur, close to the knee. Correct The femoral region is the thigh, the patellar region is the knee, and the coxal region is the hip.

Which of the following characteristics is NOT one of the unique characteristics of living organisms? metabolismMetabolism reproductionReproduction composed Composed of atoms responsivenessResponsiveness

composed Composed of atoms Correct Both living organisms and non-living objects are composed of atoms, so this is not one of the characteristics unique to living organisms.

The cranial cavity is a subdivision of the __________. vertebral cavity dorsal posterior body cavity abdominopelvic cavity anterior body ventral cavity

dorsal posterior body cavity Correct The cranial cavity, which is located within the skull, is one of the two subcavities within the dorsal posterior body cavity.

You are dissecting an eye and you want to cut it into an anterior and a posterior section. You should cut along the __________. transverse plane frontal plane median plane sagittal plane

frontal plane Correct Cutting along the frontal or coronal plane will divide the eye into an anterior and a posterior section.

This figure depicts an example of a __________. cell-cell communication homeostatic regulation gradient feedback loop

gradient Correct There is a pressure difference between the inside and the outside of the syringe. This creates a pressure gradient.

The arrow points to the __________. hypochondriac region hypogastric region epigastric region umbilical region

hypogastric region Correct The hypogastric region is the middle, inferior region. Its name can be broken down to find its meaning: hypo- = "below" and gastr- = "stomach."

Which of the following abdominopelvic regions will overlap with the left lower quadrant (LLQ)? right lumbar region left iliac region left hypochondriac region right hypochondriac region

left iliac region Correct The left iliac or inguinal region is the left inferior abdominopelvic region and will overlap with the LLQ.

Cytology is a topic within the field of __________. histology microscopic anatomy gross anatomy cell physiology

microscopic anatomy Correct Cytology, the study of the structure of cells, requires microscopes as an aid and is therefore a topic within the field of microscopic anatomy.

What does the term axillary mean?The term axillary means pertaining to the________. pertaining to the forearm pertaining to the thigh pertaining to the armpit pertaining to the back of the head

pertaining to the armpit Correct The term axillaryaxillary means ""pertaining to the armpit."" For example, the axillary arteries and veins are located in the armpit region.

Which of the following steps is NOT one part of the steps of the SQ3R method for reading the textbook? read Read passively survey Survey reviewReview reciteRecite

read Read passively Correct Textbooks should not be read passively as novels. Instead you should read actively; for example, take notes or make diagrams while you are reading.

The cellular structure that can detect stimuli and send information to the control center is called the __________. detector receptor effector control center

receptor

Name this organ system? lymphatic system digestive system cardiovascular system respiratory system

respiratory system Correct The nasal cavity, pharynx, larynx, trachea, and lungs are part of the respiratory system.

This figure represents a negative feedback loop that controls body temperature. What is the effector in this regulatory mechanism? skeletal muscle receptors in the skin that detect change in temperature body temperature nerve cells that determine temperature is too low and activate skeletal muscle

skeletal muscle Correct Skeletal muscle is the effector. (In this case) It causes a response by shivering and producing heat, which warms the body to return the temperature back to the desired set point.

Histology is the study of the __________. function of cells structure of cells structure of tissues function of tissues

structure of tissues Correct Histology is a branch of microscopic anatomy that studies the structure of tissues.

The cephalic region is __________ to the gluteal region. superior caudal proximal inferior

superior Correct The cephalic region is the head, and the gluteal region is the buttocks. The head is superior to the buttocks.

Which of the following regions corresponds to the calf? crural femoral pedal sural

sural Correct The term sural corresponds to the calf.

What is the smallest level of organization in the human body? the cellular level the tissue level the organism level the chemical level

the chemical level Correct The chemical level consists of atoms and combinations of atoms called molecules. All other levels are made up of combinations of molecules.

In humans, the term anterior is the same as __________. frontal medial ventral dorsal

ventral Correct In humans, both anterior and ventral refer to the front.

The arrow is pointing to the __________. pleural layer of the serous membrane peritoneal layer of the serous membrane visceral layer of the serous membrane parietal layer of the serous membrane

visceral layer of the serous membrane Correct This figure shows how a serous membrane folds around and envelops the heart, forming the pericardial cavity. The inner layer that contacts the organ is the visceral layer.