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Anatomy StudyStack 2
Study Stack 2: Weeks 6-12
| Question | Answer |
|---|---|
| The common tendon of the gastrocnemius and soleus is called the | calcaneal tendon |
| The continuous low level of sustained contraction maintained by all skeletal muscles is muscle | tone |
| The biceps brachii has this fascicle arrangement, which maximizes the range of motion possible. | parallel |
| The point of attachment that does not move when the muscle contracts is the | origin |
| The muscle that helps hold the scapula against the thorax and is useful in pushing or punching movements is the | serratus anterior |
| Multipolar neurons have: | multiple dendrites and one axon |
| Astrocytes attach to: | neurons and blood vessels |
| Which of the following compounds cannot cross the blood-brain barrier? | Dopamine |
| The nervous system can be divided: | according to its structure, according to direction of information flow, and by control of effectors |
| In the human nervous system | there are almost equal numbers of glia cells and neurons |
| Which is true of a reflex arc? | It always consists of an afferent neuron and an efferent neuron. |
| The brain has _____ major divisions. | six |
| Small branches from the cervical plexus join which two cranial nerves? | Hypoglossal and accessory |
| The spinal nerves are connected to the spinal cord and consist of _____ pairs. | 31 |
| Region of the hypophysis that contains secretory endocrine cells derived from the oral ectoderm. | adenohypophysis |
| The anatomical stalk of the pituitary is also known as | infundibulum |
| Gustatory cells are located in all of the following areas except | on the apical surface of vallate papillae on the tongue |
| Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as: | hematopoietic stem cells. |
| From which vessels do myocardial cells receive blood? | coronary arteries |
| The four structures that compose the conduction system of the heart are the | SA node, AV node, AV bundle, and Purkinje fibers. |
| Lacteals: | are the lymphatics in the villi of the small intestines AND are able to absorb fat from the digestive system. |
| About half of the lymph flowing through the thoracic duct comes from the: | the liver AND the small intestine |
| Because T cells attack pathogens more directly, T-cell immune mechanisms are classified as _____ immunity. | cell-mediated |
| Which of the following is a true statement? | Lymph from the entire body, except the upper right quadrant, drains eventually into the thoracic duct. |
| The approximate length of the trachea, or windpipe, is _____ cm. | 11 cm |
| Which of the following lists the correct sequence of air as it passes through the nose into the pharynx? | Anterior nares vestibule inferior, middle, and superior meatus posterior nares |
| The respiratory portion of the nasal passage is lined with a mucous membrane made up of _____ epithelium. | pseudostratified columnar |
| The structure in the neck known as the “Adam’s apple” is the: | thyroid cartilage. |
| The total number of lobes in both lungs is: | 5 |
| Which of the following is not an accessory structure of the respiratory system? | trachea |
| The fauces, one of the seven openings found in the pharynx, opens into the: | oropharynx. |
| In the right lung, the superior and middle lobes are separated by the: | horizontal fissure. |
| The eustachian tube connects the middle ear with the: | nasopharynx. |
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robyneliz4
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