Anatomy and Physiology Practice Test

Which of the following is a substance that aids the transmission of nerve impulses?

Acetylcholine

In the lungs,gas exchange occurs in tiny one-celled air sacs called ?

Alveoli

Which of the following are mucus-producing glands located on each side of the vaginal opening ?

Bartholin's

Exhaled air,when compared with inhaled air,contains more ?

Carbon dioxide and less oxygen

Which of the following is flexible connective tissue that is attached to bones at the joints?

Cartilage

A patient has a fracture in which the radius is bent but not displaced,and the skin is intact.This type of fracture is known as which of the following ?

Closed,greenstick

Which of the following is a structural,fibrous protein found in the dermis?

Collagen

Which of the following is the body cavity that contains the pituitary gland?

Cranial

The anatomic location of the spinal canal is

Dorsal

Which of the following anatomical regions of abdomen lies just distal to the sternum?

Epigastric

Each of the following mature cells has a nucleus EXCEPT?

Erythrocyte

Fertilization of an ovum by a spermatozoon occurs in the ?

Fallopian tube

Which of the following is the large bone found superior to the patella and inferior to the ischium?

Femur

Which of the following terms describes the motion of bending the forearm toward the body?

Flexion

Which of the following terms describes the body's ability to maintain its normal state?

Homeostasis

Which of the following controls body temperature,sleep,and appetite?

Hypothalamus

Which of the following is located beneath the diaphragm in the right upper quadrant of the abdominal cavity?

Liver

Which of the following is a disorder characterized by uncontrollable episodes of falling asleep during the day?

Narcolepsy

Which of the following conditions is characterized by the presence of kidney stones(renal calculi) ?

Nephrolithiasis

Each of the following is known to help prevent infection EXCEPT?

Osteoblasts

If the foot is abducted,it is moved in which direction?

Outward

Each of the following is located in the mediastinum EXCEPT the?

Pancreas

Secreting insulin ?

Pancreas

The process whereby the stomach muscles contract to propel food through the digestive tract is called ?

Peristalsis

Patients with which of the following diseases are treated with injections of vitamin B-12 ?

Pernicious anemia

Oxygenated blood is carried to the heart by the ?

Pulmonary veins

The thoracic age is a structural unit important for ?

Respiration

A patient sustains severe blunt trauma to the left upper abdomen and requires surgery.The body organ most likely to be involved is the ?

Spleen

Which of the following is the lymphoid organ that is a reservoir for red blood cells and filters organisms from the blood ?

Spleen

Which of the following conditions is characterized by incompetence of the esophageal sphincter ?

Gastroesophageal reflux disease

The cluster of blood capillaries found in each nephron is the ?

Glomerulus

Each of the following is a segment of the large intestine EXCEPT the ?

Ileum

Where is the sinoatrial node located ?

In the upper wall of the right atrium

Urine flows through the urinary system in which order?

Kidney,ureter,bladder,urethre ,urethral meatus

Which of the following organs removes bilirubin from the blood,manufactures plasma proteins,and is involved with the production of prothrombin and fibrinogen ?

Liver

The physician directs the medical assistant to complete a request form for an x-ray study of the fibula.The procedure will be performed on which of the following structures?

Lower leg

In which of the following positions does a patient lie face down?

Prone

In men,which of the following structures is located at the neck of the bladder and surrounds the urethra ?

Prostate

Blood flows from the right ventricle of the heart into the ?

Pulmonary arteries

Saliva contains an enzyme that acts upon ?

Starches

The point at which an impulse is transmitted from one neuron to another neuron is called the ?

Synapse

Male hormones are produced by which of the following ?

Testes

Which of the following cavities are separated by the diaphragm?

Thoracic and abdominal

In men,specimens for gonococcal cultures are most commonly obtained from which of the following ?

Urethra

Bile enters the gastrointestinal tract at the ?

Duodenum

Calcium, potassium , and sodium are classified as which of the following ?

Electrolytes

Which of the following closes and seals off the lower airway during swallowing?

Epiglottis

Which of the following cranial nerves is related to the sense of smell?

Olfactory

The carotid pulse is located ?

On the anterior side of the neck

Which of the following is the master gland of the endocrine system ?

Pituitary