ADAT ADAT Biomedical Sciences 2

Question 1

Which structure connects the two cerebral hemispheres and allows interhemispheric communication?

Accepted Answer

Corpus callosum

Answer

Thalamus

Answer

Cerebellum

Answer

Medulla oblongata

Question 2

During the citric acid cycle, which molecule is directly regenerated to allow the cycle to continue?

Accepted Answer

Oxaloacetate

Answer

Pyruvate

Answer

Glucose

Answer

Lactate

Question 3

Which type of epithelium lines the alveoli of the lungs to permit efficient gas exchange?

Accepted Answer

Simple squamous epithelium

Answer

Stratified squamous epithelium

Answer

Simple columnar epithelium

Answer

Transitional epithelium

Question 4

A patient with a deficiency in factor VIII would most likely present with which condition?

Accepted Answer

Hemophilia A

Answer

Von Willebrand disease

Answer

Sickle cell anemia

Answer

Thrombocytopenia

Question 5

Which hormone secreted by the posterior pituitary promotes water reabsorption in the kidneys?

Accepted Answer

Antidiuretic hormone (ADH)

Answer

Aldosterone

Answer

Renin

Answer

Atrial natriuretic peptide

Question 6

Enzyme activity that decreases when a downstream product accumulates is an example of what regulation?

Accepted Answer

Feedback inhibition

Answer

Competitive activation

Answer

Substrate saturation

Answer

Zymogen activation

Question 7

Which cranial nerve provides general sensory innervation to the anterior two-thirds of the tongue?

Accepted Answer

Trigeminal (CN V, lingual branch)

Answer

Facial (CN VII)

Answer

Glossopharyngeal (CN IX)

Answer

Hypoglossal (CN XII)