Which fontanel is found at the junction of the lambdoid and squamous sutures in a newborn?
A) sphenoidal
B) anterior
C) mastoid
D) posterior
C
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The maintenance energy requirement is typically six times that of the resting energy requirement for an animal
Indicate whether the statement is true or false
Spatial summation occurs on a postsynaptic neuron would occur when
a. several EPSPs from a single presynaptic input sum to reach threshold b. EPSPs from several presynaptic inputs sum to reach threshold c. there is simultaneous interaction of an EPSP and an IPSP d. several IPSPs from a single presynaptic input sum to hyperpolarize the membrane e. none of the above take place
How many molecules of oxygen can each molecule of hemoglobin carry?
A. 1 B. 2 C. 4 D. Approximately 100 E. Approximately 280 million
What happens to the diaphragm when it contracts?
A. It becomes flatter and aids in expiration. B. It becomes flatter and aids in inspiration. C. It becomes dome-shaped and aids in inspiration. D. It becomes dome-shaped and aids in expiration.