Answers (Comprehensive Practice Material)
1. The galea aponeurotica is:
A) the dense fibrous membrane covering the surface of the cranium.
B) a loose connective tissue that is easily damaged during "scalping" injuries.
C) the subcutaneous layer of the scalp that contains easily damaged major veins.
D) a tendon expansion that connects the frontal and occipital muscles of the cranium. -
ANSWER****D
. The ______________ consists of eight bones that encase and protect the brain.
A) skull
B) cerebrum
C) cranial vault
D) cribriform plate - ANSWER****C
. The brain connects to the spinal cord through a large opening at the base of the skull called
the:
A) cribriform plate.
B) foramen magnum.
C) occipital condyle.
D) palatine bone. - ANSWER****B
At what age do the sutures of the skull solidify and the fontanelles close?
A) 18 months
B) 2 years
C) 36 months
,D) 4 years - ANSWER****A
5. The cone-shaped section of bone located at the base of each temporal bone is called the:
A) lamboid suture.
B) mastoid process.
C) cribriform plate.
D) ethmoid bone. - ANSWER****B
. The crista galli:
A) is the anatomic point of attachment of the meninges.
B) is divided into the anterior, middle, and posterior fossae.
C) is a horizontal bone perforated with numerous foramina.
D) allows the passage of the olfactory nerves from the nasal cavity. - ANSWER****A
The occipital condyles are the:
A) key anatomic structures to which the meninges are attached.
B) passageways for the olfactory nerves to exit the nasal cavity.
C) points of articulation between the skull and vertebral column.
D) horizontal bones of the cribriform plate that contain foramina. - ANSWER****C
Which of the following statements regarding the brain is correct?
A) The brain uses 45 to 50 L/min of oxygen.
B) The brain occupies approximately 60% of the cranium.
C) The brain metabolizes minimal amounts of glucose.
D) The brain has the ability to store oxygen and glucose. - ANSWER****A
,Paralysis of the extremities would MOST likely result from injury to the:
A) cerebellum.
B) diencephalon.
C) cerebral cortex.
D) hypothalamus. - ANSWER****C
10. The parietal lobe of the brain:
A) is where the optic nerve originates and processes vision.
B) is important for voluntary motor action and personality traits.
C) controls somatic functions for the contralateral side of the body.
D) controls functions such as long-term memory - ANSWER****C
. Injury to the temporal lobe on the left side would MOST likely cause:
A) abnormal speech.
B) visual disturbances.
C) sleep abnormalities.
D) lack of coordination. - ANSWER****A
Which of the following statements regarding the hypothalamus is correct?
A) The hypothalamus works in conjunction with the subthalamus and regulates motor functions
of the body.
B) The hypothalamus is located in the inferior portion of the diencephalon and influences body
movement in response to fear.
C) The hypothalamus is located between the brainstem and cerebrum and is solely responsible
for maintaining body temperature.
, D) The hypothalamus is the most inferior portion of the diencephalon and controls functions
such as hunger, sleep, and vomiting. - ANSWER****D
. The cerebellum is located in the ____________ part of the brain and is responsible for
_______________.
A) anteromedial, voluntary motor functions
B) inferoposterior, posture and equilibrium
C) anterolateral, short- and long-term memory
D) inferolateral, involuntary motor functions - ANSWER****B
What portion of the brainstem is responsible for maintenance of consciousness, specifically
one's level of arousal?
A) Diencephalon
B) Limbic system
C) Basal ganglia
D) Reticular activating system - ANSWER****D
15. The respiratory centers of the brainstem lie within the:
A) basal ganglia.
B) pons and medulla.
C) diencephalon.
D) midbrain. - ANSWER****B
The dura mater:
A) folds in to form the tentorium, a structure that separates the cerebral hemispheres from the
cerebellum and brainstem.