mitc
07
qumc

What is a lateral (to the side) curvature of the spine called?
scoliosis
Correct. Scoliosis is a lateral curvature of the spine.
lordosis
Incorrect. Lordosis is an inward curvature of the lumbar spine.
kyphosis
Incorrect. Kyphosis is a rounded bowing of the thoracic area.

Which of the following is an example of a cranial bone?
parietal
Correct. The two parietal bones shape the top and sides of the head.
patella
Incorrect. The patella is the kneecap.
phalanges
Incorrect. The phalanges are the finger and toe bones.

What is the best definition of a sphincter muscle?
circular muscle that controls the opening and closing of a passageway
Correct. Sphincter muscles control the opening and closing of a passageway.
attached to bones
Incorrect. Skeletal muscles attach to bones.
located in the walls of the internal organs
Incorrect. Smooth (visceral) muscles are located in the walls of internal organs.

Bending and extending your elbow require the movement of which pair of muscles?
biceps and triceps
Correct. The biceps and triceps are involved in the movement created by bending and extending your elbow.
masseter and sternocleidomastoid
Incorrect. The masseter and sternocleidomastoid are involved in head and neck movements.
gastrocnemius and vastus lateralis
Incorrect. The gastrocnemius and vastus lateralis are muscles of the leg.

The layers of the skin from superficial to deep are correctly listed as:
epidermis, dermis, subcutaneous tissue
Correct. The epidermis is the outer layer, then the dermis, then the subcutaneous tissue.
dermis, epidermis, subcutaneous tissue
Incorrect. The dermis is the layer between the epidermis and the subcutaneous tissue.
subcutaneous tissue, epidermis, dermis
Incorrect. These are the layers from deep to superficial.

Which of the following is the normal pathway for the electrical conduction of the heart?
SA node, AV node, bundle of His, Purkinje fibers
Correct. The impulse originates in the SA node, and then follows the sequence of AV node, bundle of His, and Purkinje fibers.
AV node, SA node, bundle of His, Purkinje fibers
Incorrect. The SA node fires before the AV node, bundle of His, and Purkinje fibers.
Purkinje fibers, bundle of His, AV node, SA node
Incorrect. This is the reverse of the correct sequence.

Which of the following is the most accurate statement about the function of arteries?
They carry blood away from the heart.
Correct. Arteries carry blood away from the heart.
They carry only deoxygenated blood.
Incorrect. All the arteries--except the pulmonary arteries--carry oxygenated blood.
They carry only oxygenated blood.
Incorrect. The pulmonary arteries carry deoxygenated blood.

Which of the following signs and symptoms is an example of subjective data?
The patient states she has pain in her right arm.
Correct. Pain cannot be directly observed and therefore is subjective data.
The patient's blood pressure is 120/80.
Incorrect. Blood pressure is objective data.
The patient's urine specimen shows bacterial growth.
Incorrect. Lab results are objective data.

Which description best defines the term "prognosis"?
prediction of the possible outcome of a disease and potential for recovery
Correct. A prognosis is the prediction of the possible outcome of a disease and the potential for recovery.
medications and procedures used to control or cure a disease
Incorrect. Treatments are medications and procedures used to control or cure a disease.
behaviors that promote health and prevent disease
Incorrect. Prevention includes behaviors that promote health and prevent disease.

Which of the following functions is performed by the lymphatic system?
removes iron from hemoglobin for reuse by the bone marrow
Correct. The spleen is part of the lymphatic system and removes iron from the hemoglobin for reuse by the bone marrow.
oxygenates the blood as it flows through the system
Incorrect. The lungs add oxygen to the blood.
produces mineralocorticoids and glucocorticoids
Incorrect. The adrenal glands, which are part of the endocrine system, produce mineralocorticoids and glucocorticoids.

