Which of the following terms describes the body's ability to maintain its normal state?
(E) Homeostasis
Each of the following is known to help prevent infection EXCEPT
(A) osteoblasts
Each of the following mature cells has a nucleus EXCEPT
(E) erythrocyte
Which of the following is flexible connective tissue that is attached to bones at the joints?
(A) Cartilage
Each of the following is located in the mediastinum EXCEPT the
(A) pancreas
Which of the following is the body cavity that contains the pituitary gland?
(C) Cranial
Which of the following closes and seals off the lower airway during swallowing?
(D) Epiglottis
Which of the following is located beneath the diaphragm in the right upper quadrant of the abdominal cavity?
(A) Liver
Which of the following anatomical regions of abdomen lies just distal to the sternum?
(D) Epigastric
Which of the following cavities are separated by the diaphragm?
(D) Thoracic and abdominal
Which of the following terms describes the motion of bending the forearm toward the body?
(C) Flexion
In which of the following positions does a patient lie face down?
(D) Prone
If the foot is abducted, it is moved in which direction?
(A) Outward
The anatomic location of the spinal canal is
(D) dorsal
Which of the following is a structural, fibrous protein found in the dermis?
(B) 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?
(B) Closed, greenstick
Which of the following is the large bone found superior to the patella and inferior to the ischium?
(E) 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?
(D) Lower leg
Which of the following is a disorder characterized by uncontrollable episodes of falling asleep during the day?
(D) Narcolepsy
The point at which an impulse is transmitted from one neuron to another neuron is called the
(C) synapse
Which of the following controls body temperature, sleep, and appetite?
(D) Hypothalamus
Which of the following cranial nerves is related to the sense of smell?
(C) Olfactory
Which of the following is a substance that aids the transmission of nerve impulses?
(A) Acetylcholine
The carotid pulse is located
(D) on the anterior side of the neck
A patient sustains severe blunt trauma to the left upper abdomen and requires surgery. The body organ most likely to be involved is the
(C) spleen
Where is the sinoatrial node located?
(D) In the upper wall of the right atrium
Blood flows from the right ventricle of the heart into the
(B) pulmonary arteries
Oxygenated blood is carried to the heart by the
(E) pulmonary veins
The thoracic cage is a structural unit important for
(B) respiration
Exhaled air, when compared with inhaled air, contains more
(C) carbon dioxide and less oxygen
In the lungs, gas exchange occurs in tiny one-celled air sacs called
Which of the following conditions is characterized by incompetence of the esophageal sphincter?
(D) Gastroesophageal reflux disease
Which of the following organs removes bilirubin from the blood, manufactures plasma proteins, and is involved with the production of prothrombin and fibrinogen?
(C) Liver
Which of the following is an accessory organ of the gastrointestinal system that is responsible for secreting insulin?
