AP2-exam 1
If you are spinning in a circle, which of the following contains the sensory receptors
would detect your spinning or movement?
Saccule
Semicircular duct
Utricle
Cochlear duct - ANSWER-Semicircular duct
Which of the following types of hormones pass through the cell membrane and binds to
receptors INSIDE the cell?
Steroid hormones
No hormones enter the cell.
All hormones pass through the cell membrane.
Peptide hormones (nonsteroids) - ANSWER-Steroid hormones
Which of the following endocrine organs secretes cortisol?
Adrenal Cortex
Posterior pituitary
Anterior pituitary
Parathyroid - ANSWER-Adrenal Cortex
What is the function of the auditory ossicles?
Move hair cells when the head moves up and down.
Move the tympanic membrane when sound waves enter the ear.
Transmit mechanical force of sound from the tympanic membrane to the oval window.
Transmit nerve impulse to the primary auditory cortex. - ANSWER-Transmit mechanical
force of sound from the tympanic membrane to the oval window
Graves' disease results from which of the following?
Hypersecretion of parathyroid hormone.
Hypersecretion of thyroid hormones.
Hyposecretion of growth hormone
Excess glucose in the urine. - ANSWER-Hypersecretion of thyroid hormones.
Which of the endocrine organ's secret epinephrine?
, Adrenal cortex
Posterior pituitary
Adrenal medulla
Anterior pituitary - ANSWER-Adrenal medulla
In an ECG, the P wave represents what cardiac event?
Ventricular repolarization
Atrial repolarization
Ventricular depolarization
Atrial depolarization - ANSWER-Atrial depolarization
You ate at least 12 hours ago, and your blood glucose le'vels are low. Which hormone
corrects this?
Calcitonin
Glucagon
Aldosterone
Insulin - ANSWER-Glucagon
What is the main function of thrombocytes (platelets)
Fight infections
Stop bleeding (hemostasis)
Transport oxygen
Produce thyroid hormones - ANSWER-Stop bleeding (hemostasis)
Which of the following is NOT part of the cardiac conduction system (intrinsic control)
AV valve
Purkinje fibers
SA node
AV bundle - ANSWER-AV valve
Which of the following is TRUE about the photoreceptors called rods in our eyes?
Rods give us our shaper vision.
Rods provide color vision.
Rods work best in dim light.
Human eyes have fewer rods than cones. - ANSWER-Rods work best in dim light.
Deoxygenated blood leaves the heart from which chamber?
Left ventricle.
Right ventricle
Left atrium.
If you are spinning in a circle, which of the following contains the sensory receptors
would detect your spinning or movement?
Saccule
Semicircular duct
Utricle
Cochlear duct - ANSWER-Semicircular duct
Which of the following types of hormones pass through the cell membrane and binds to
receptors INSIDE the cell?
Steroid hormones
No hormones enter the cell.
All hormones pass through the cell membrane.
Peptide hormones (nonsteroids) - ANSWER-Steroid hormones
Which of the following endocrine organs secretes cortisol?
Adrenal Cortex
Posterior pituitary
Anterior pituitary
Parathyroid - ANSWER-Adrenal Cortex
What is the function of the auditory ossicles?
Move hair cells when the head moves up and down.
Move the tympanic membrane when sound waves enter the ear.
Transmit mechanical force of sound from the tympanic membrane to the oval window.
Transmit nerve impulse to the primary auditory cortex. - ANSWER-Transmit mechanical
force of sound from the tympanic membrane to the oval window
Graves' disease results from which of the following?
Hypersecretion of parathyroid hormone.
Hypersecretion of thyroid hormones.
Hyposecretion of growth hormone
Excess glucose in the urine. - ANSWER-Hypersecretion of thyroid hormones.
Which of the endocrine organ's secret epinephrine?
, Adrenal cortex
Posterior pituitary
Adrenal medulla
Anterior pituitary - ANSWER-Adrenal medulla
In an ECG, the P wave represents what cardiac event?
Ventricular repolarization
Atrial repolarization
Ventricular depolarization
Atrial depolarization - ANSWER-Atrial depolarization
You ate at least 12 hours ago, and your blood glucose le'vels are low. Which hormone
corrects this?
Calcitonin
Glucagon
Aldosterone
Insulin - ANSWER-Glucagon
What is the main function of thrombocytes (platelets)
Fight infections
Stop bleeding (hemostasis)
Transport oxygen
Produce thyroid hormones - ANSWER-Stop bleeding (hemostasis)
Which of the following is NOT part of the cardiac conduction system (intrinsic control)
AV valve
Purkinje fibers
SA node
AV bundle - ANSWER-AV valve
Which of the following is TRUE about the photoreceptors called rods in our eyes?
Rods give us our shaper vision.
Rods provide color vision.
Rods work best in dim light.
Human eyes have fewer rods than cones. - ANSWER-Rods work best in dim light.
Deoxygenated blood leaves the heart from which chamber?
Left ventricle.
Right ventricle
Left atrium.