medical review test

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

Acetylcholine

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

Electrolytes

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

Epigastric

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

Epiglottis

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 conditions is characterized by incompetence of the esophageal sphincter?

Gastroesophageal reflux disease

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

Where is the sinoatrial node located

In the upper wall of the right atrium

Which of the following is an accessory organ of the gastrointestinal system that is responsible for secreting insulin

Pancreas

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

Pernicious anemia

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

Pituitary

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

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

Spleen

Male hormones are produced by which of the following

Testes

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

Urethra

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

alveoli

Exhaled air, when compared with inhaled air, contains more

carbon dioxide and less oxygen

The anatomic location of the spinal canal is

dorsal

Bile enters the gastrointestinal tract at the

duodenum

Each of the following mature cells has a nucleus EXCEPT

erythrocyte

Fertilization of an ovum by a spermatozoon occurs in the

fallopian tube

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

Blood flows from the right ventricle of the heart into the

pulmonary arteries

Oxygenated blood is carried to the heart by the

pulmonary veins

The thoracic cage 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

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

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

Bartholin's

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

Urine flows through the urinary system in which order

Kidney, ureter, bladder, urethra, urethral meatus

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

Liver

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

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

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

Olfactory

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

Outward

Which of the following cavities are separated by the diaphragm

Thoracic and abdominal

The carotid pulse is located

on the anterior side of the neck

Each of the following is known to help prevent infection EXCEPT

osteoblasts

Each of the following is located in the mediastinum EXCEPT the

pancreas

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

peristalsis