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Anatomy weak 6-12
| Question | Answer |
|---|---|
| : What type of muscle is the latissimus dorsi? | Convergent muscle |
| What connective tissue layer surrounds individual muscle fibers? | Endomysium |
| What is the most common lever type in the human body? | Third-class lever |
| The rotator cuff includes all of these muscles except: | Deltoid |
| What type of neuron carries impulses toward the CNS? | Sensory (afferent) neuron |
| What glial cell helps form the blood-brain barrier? | Astrocytes |
| How many pairs of spinal nerves are in the body? | 31 pairs |
| Which cranial nerve carries taste from the anterior 2/3 of the tongue? | Facial nerve (CN VII) |
| : What fluid fills the posterior segment of the eye? | Vitreous humor |
| What structure of the inner ear contains receptors for hearing? | Cochlear duct (Organ of Corti) |
| Which hormone lowers blood calcium by inhibiting osteoclasts? | Calcitonin |
| Which gland is the largest purely endocrine gland? | Thyroid gland |
| What hormone stimulates RBC production? | Erythropoietin |
| Which blood vessels are microscopic and allow exchange of gases and nutrients? | Capillaries |
| What structure is considered the pacemaker of the heart? | SA node (sinoatrial node) |
| What structure prevents blood from backflowing into the atria? | Atrioventricular (AV) valves |
| Which lymphatic organ is the primary site for T-cell maturation? | Thymus |
| What lymphatic vessels in the small intestine absorb fats? | Lacteals |
| Which lung structure is NOT present in the left lung? | Horizontal fissure |
| Why do aspirated objects more often enter the right lung? | The right bronchus is larger and more vertical |