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18 Oct

Posted at 16:19h in Medicine

Which laboratory test result is diagnostic for hypoglycemia?   A1c 7.0%   Fasting blood sugar of 75 mg/dL   Glucose level 43 mg/dL Random glucose level 64 mg/dL   Which of the following statements concerning the musculoskeletal examination is true?   The uninvolved side should be examined initially and then compared to the involved side.    The...

18 Oct

Posted at 16:19h in Medicine

Major Themes of Anatomy and Physiology 1. Sometimes anatomical terms come from origins that do not lend any insight into their meaning. True   False   2. Feeling for swollen lymph nodes is an example of auscultation.   True   False   3. We can see through bones with magnetic resonance imaging (MRI). True ...

18 Oct

Posted at 16:19h in Medicine

The Circulatory System: Heart   1. The pulmonary circuit is supplied by both the right and the left sides of the heart. True   False   2. The systemic circuit contains oxygen-rich blood only.   True   False   3. The fibrous skeleton of the heart serves as electrical insulation between the atria and the...

18 Oct

Posted at 16:19h in Medicine

The Circulatory System: Blood   1. Hemostasis is the production of formed elements of blood. True   False   2. Blood viscosity stems mainly from electrolytes and monomers dissolved in plasma.   True   False   3. Lymphoid hemopoiesis occurs mainly in the bone marrow. True   False   4. Oxygen and carbon dioxide bind to different parts...

18 Oct

Posted at 16:19h in Medicine

The Endocrine System 1. Hormones are normally secreted via ducts into the bloodstream. True   False   2. Hormones serve as intracellular messengers.   True   False   3. Testosterone is a gonadotropin. True   False   4. Many effects of growth hormone are mediated by insulin-like growth factors (IGFs) secreted bythe   pancreas. True   False   5. Both the thymus...

18 Oct

Posted at 16:19h in Medicine

Sense Organs 1. Transduction begins with an action potential in a sensory receptor. True   False   2. Sensory receptors sense only stimuli external to the body, such as light, sound waves, olfaction, and touch.   True   False   3. Most somesthetic signals in the right side of the body reach the cerebral...

18 Oct

Posted at 16:19h in Medicine

The Autonomic Nervous System and Visceral Reflexes   1. The autonomic nervous system carries out many somatic reflexes that are crucial to homeostasis. True   False   2. Under normal circumstances, both divisions of the autonomic nervous system are active simultaneously.   True   False   3. The autonomic nervous system is composed of ganglia...

18 Oct

Posted at 16:19h in Medicine

The Brain and Cranial Nerves   1. Both cerebrum and cerebellum have gray matter in their surface cortex and deeper nuclei, and white matter deep to the cortex.   True   False   2. The cerebellum exhibits folds called gyri separated by grooves called sulci. True   False   3. The epidural space is filled...

18 Oct

Posted at 16:18h in Medicine

The Spinal Cord, Spinal Nerves, and Somatic Reflexes   1. Ascending signals in the spinal cord travel via gray matter, while descending signals travel via white matter.   True   False   2. Cervical and lumbar enlargements are wide points in the spinal cord marking the emergence of motor nerves.   True   False   3. Each...

18 Oct

Posted at 16:18h in Medicine

Nervous Tissue 1. The nervous system employs exclusively electrical means to send messages, whereas the endocrine system communicates by means of chemical messengers.   True   False   2. Most neurons have multiple dendrites. True   False   3. Neurons move material away from the neurosoma by retrograde transport.   True   False   4. Unipolar neurons have only...