Muliple Choice Questions Flashcards
- The innermost meningeal layer adhering to the cerebral cortex is the
A. Meningeal dura mater
B. Arachnoid mater
C. Periosteal dura mater
D. Pia mater
D
- The region of the brain containing vital centres for breathing and heart rate is the
A. Cerebellum
B. Midbrain
C. Medulla oblongata
D. Thalamus
C
- The sympathetic nervous system stimulates
A. Pupil dilation
B. Saliva secretion
C. Intestinal motility
D. Bronchial constriction
A
- Neurons carrying sensory information from receptors toward the spinal cord are called
A. Ascending
B. Afferent
C. Association
D. Efferent
B
- The hormone ADH
A. Increases urine production
B. Promotes dehydration
C. Is produced by the anterior pituitary gland
D. Decreases urine production
B
- The hormone that increases cellular metabolic rate in most tissues is
A. Cortisol
B. Calcitonin
C. Aldosterone
D. Thyroxine
D
- Release of the hormone renin by the kidney is stimulated by
A. High blood pressure
B. Low blood pressure
C. High blood volume
D. Low blood oxygen
B
- A hormone that is released during the alarm phase of the stress response is
A. Testosterone
B. Adrenaline
C. Cortisol
D. Insulin
B
- Erythropoiesis in adults occurs mainly in the
A. Red bone marrow
B. Yellow bone marrow
C. Compact bone
D. Kidney
A
- Parathyroid hormone stimulates breakdown of bone matrix by the
A. Osteoblasts
B. Osteocytes
C. Osteoclasts
D. Osteogenic cells
C
- The sutures between the adult cranial bones are an example of a/an
A. Synovial joint
B. Synarthrodial joint
C. Amphiarthrodial joint
D. Diathrodial joint
B
- The function of the sarcoplasmic reticulum in muscle cells is
A. Protein synthesis
B. Storage and release of calcium ions
C. Energy production
D. Conduction of the action potential deep into the muscle fibre
B
- The motor neuron stimulates a muscle cell by secreting
A. Calcium ions
B. Sodium ions
C. Neurotransmitters
D. Enzymes
C
- In skeletal muscle contraction, cross bridges are formed between myosin and
A. Actin
B. Troponin
C. Tropomyosin
D. Elastin
A
- The hormone promoting sodium reabsorption by the kidney is
A. Renin
B. Oxytocin
C. ADH
D. Aldosterone
D