A component of blood which contains water, amino acids, proteins, electroloytes, gases and wastes

Question 52.52. The pathway of vision is: (Points : 1)
Pupil, optic nerve, retina, occipital lobe
Lens, pupil, retina, parietal lobe
Pupil, lens, retina, optice nerve, occipital lobe
Lens, retina, optic nerve, temporal lobe

Question 53.53.  The pancreas (Points : 1)
Produces bile for the small intestine.
Emulsifies fats.
Produces insulin and glucagon.
Produces epinephrine and vasopressin

Question 54.54. Which of the following statements regardingswense of smell is incorrect? (Points : 1)
Air must pass through the nose to stimulate olfactory receptror.
Olfactory receptors are sensitive to low concentration of odors.
After smelling a substance for awhile, we become more sensitive to it.
Sense of smell is reduced if a person has a respiratory infection.

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Question 55.55. Excessive intraocular pressure due to a buildup of aqueous humor is called: (Points : 1)
Glaucoma
Night blindness
Cunjunctivitis
Color Blindness
Question 56.56. The taste receptors of the tongue are found on: (Points : 1)
Pupillae
Papillae
Vestibule
Pineal

Question 57.57. This gland produces melatonin. (Points : 1)
Anterior PItuitary
Posterior Pituitary
Adrenal Cortex
Pineal

Question 58.58. The eye structure which adjusts size to allow or inhibit light is: (Points : 1)
Lens
Pupil
Sclera
Ciliary body

Question 59.59. The structure which houses the rods and cones is: (Points : 1)
The sclera
The conjunctiva
The retina
The choroid layer

Question 60.60. The tympanic membrane sits at the end of the: (Points : 1)
Semicircular canals
Sclera
Eustachian Tube
External Auditory Canal

Question 61.61.  Epinephrine and norepinephrine are produced in the: (Points : 1)
Anterior Pituitary
Posteriori Pituitary
Adrenal Cortex
Adrenal Medulla

Question 62.62. When the tricuspid valve is open, which of these statements is true? (Points : 1)
The bicuspid valve is closed.
The ventricles contract.
The blood enters the aorta.
The blood enters the pulmonary arteries.
The ventricles are in diastole.

Question 63.63.  The mitral valve is located between the: (Points : 1)
Left atrium and left ventricle
Right atrium and right ventricle
Left ventricle and aorta.
Right ventricle and lungs.

Question 64.64.  Specialized cells of the right atrium that act as a heart beat initiator are called: (Points : 1)
Bundle of His
AV Node
SA Node
Purkinje Fibers

Question 65.65. A component of blood which contains water, amino acids, proteins, electroloytes, gases and wastes. (Points : 1)
Platelet
Antigen
Cytoplasm
Plasma

Question 66.66. John has B+k blood. He has _____ in his blood. (Points : 1)
A and B antibodies
A antibodies
B antibodies
O antigen

Question 67.67.  The muscle of the heart is called the: (Points : 1)
Endocardium
Myocardium
Pericardium
Tunica

Question 68.68. Hypertension: (Points : 1)
Is low blood pressure
Is an infection in the blood
Is characterized by a consistent measure of 140/90 or higher
Is a bluish color to the skin and lips

Question 69.69.  A heart rate of 100 or more beats per minute is called; (Points : 1)
Arrhythmia
Hypertension
Bradycardia
Tachycardia

Question 70.70. 120/80: (Points : 1)
Indicates hypotension
Is a normal blood pressure
Indicates hypertension
Indicates excessive exercise