Which of the following terms describes the body's ability to maintain its normal state?
Homeostasis
Each of the following is known to help prevent infection EXCEPT
(B) osteoblasts
Each of the following mature cells has a nucleus EXCEPT
(A) erythrocyte
Which of the following is flexible connective tissue that is attached to bones at the joints?
Cartilage
Each of the following is located in the mediastinum EXCEPT the
(B) pancreas
Which of the following is the body cavity that contains the pituitary gland?
Cranial
Which of the following closes and seals off the lower airway during swallowing?
Epiglottis
Which of the following is located beneath the diaphragm in the right upper quadrant of the abdominal cavity?
Liver
Which of the following anatomical regions of abdomen lies just distal to the sternum?
Epigastric
Which of the followingcavities are separated by the diaphragm?
Thoracic and abdominal
Which of the followingterms describes the motion of bending the forearm toward the body?
Flexion
In which of the following positions does a patient lie face down?
Prone
If the foot is abducted, itis moved in which direction?
Outward
The anatomic location ofthe spinal canal is
dorsal
Which of the following is astructural, fibrous protein found in the dermis?
Collagen
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 the large bone found superior to the patella and inferior to the ischium?
Femur
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
The point at which an impulse is transmitted from one neuron to another neuron is called the
synapse
Which of the following controls body temperature, sleep, and appetite?
Hypothalamus
Which of the following cranial nerves is related to the sense of smell?
Olfactory
Which of the following is asubstance that aids the transmission of nerve impulses?
Acetylcholine
The carotid pulse islocated
on the anterior side of theneck
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
Where is the sinoatrialnode located?
In the upper wall of the right atrium
Blood flows from the rightventricle of the heart into the
pulmonary arteries
Oxygenated blood is carriedto the heart by the
pulmonary veins
The thoracic cage is astructural unit important for
respiration
Exhaled air, when comparedwith inhaled air, contains more
carbon dioxide and lessoxygen
In the lungs, gas exchangeoccurs in tiny one-celled air sacs called
alveoli
Bile enters thegastrointestinal tract at the
duodenum
Each of the following is asegment of the large intestine EXCEPT the
Which of the following conditions is characterized by incompetence of the esophageal sphincter?
Gastroesophageal refluxdisease
Which of the followingorgans removes bilirubin from the blood, manufactures plasma proteins, and isinvolved with the production of prothrombin and fibrinogen?
Liver
Which of the following is an accessory organ of the gastrointestinal system that is responsible for secreting insulin?
Pancreas
Which of the following is the lymphoid organ that is a reservoir for red blood cells and filters organisms from the blood?
Spleen
The process whereby the stomach muscles contract to propel food through the digestive tract is called
peristalsis
Saliva contains an enzyme that acts upon
starches
In men, specimens for gonococcal cultures are most commonly obtained from which of the following?
Urethra
The cluster of blood capillaries found in each nephron is the
glomerulus
Which of the following conditions is characterized by the presence of kidney stones (renal calculi)?
Nephrolithiasis
Urine flows through the urinary system in which order?
Kidney, ureter, bladder, urethra, urethral meatus
In men, which of the following structures is located at the neck of the bladder and surrounds the urethra?
Prostate
Male hormones are produced by which of the following?
Testes
Which of the following are mucus-producing glands located on each side of the vaginal opening?
Bartholin's
Fertilization of an ovum by a spermatozoon occurs in the
fallopian tube
Calcium, potassium, and sodium are classified as which of the following?
Electrolytes
Which of the following is the master gland of the endocrine system?
Pituitary
Patients with which of the following diseases are treated with injections of vitamin B-12?
