Weekly Problem Set # 5 ANSWER KEY 1.
Label the temporal, parietal, occipital, and frontal lobes; label the primary motor, somatosensory, auditory, and visual cortices; label the cerebellum, pons, and medulla 2.
A severe stroke near the left primary motor cortex could cause _______ loss of motor function; a lesion of the right descending corticospinal tract in the midbrain could cause _______ loss of motor function. a.
contralateral; contralateral b.
contralateral; ipsilateral c.
ipsilateral; contralateral d.
ipsilateral; ipsilateral 3.
Which of the following brain structures are NOT properly matched with the secondary vesicles from which they derive? Select all that apply. a.
Basal ganglia – Telencephalon b.
Hypothalamus - Telencephalon c.
Cerebellum – Myelencephalon d.
Pons – Metencephalon 4.
An infant presents with severe body temperature dysregulation and excessive urination, which indicates that their body cannot properly balance levels of salt and water. These symptoms could have arisen from improper development of which secondary brain vesicle? a. Telencephalon b. Diencephalon c.
Mesencephalon d. Metencephalon 5.
Which of the following components of the ventricular system are correctly matched with the brain regions they are specific to? Select all that apply. a.
Fourth ventricle – Hindbrain b.
Cerebral aqueduct – Midbrain c.
Third ventricle – Myelencephalon