Human Anatomy and Physiology : Gross Anatomy
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Example Question #241 : Gross Anatomy
On which portion of the sternum does the first rib insert?
Manubrium
Clavicle
Humerus
Body of the sternum
Xiphoid process
Manubrium
The first rib inserts on the manubrium of the sternum.
Example Question #242 : Gross Anatomy
Which rib inserts at the sternal angle?
Fourth rib
Fifth rib
First rib
Second rib
Third rib
Second rib
The second rib inserts at the sternal angle. The first rib inserts on the manubrium and the third through six ribs insert on the body of the sternum.
Example Question #243 : Gross Anatomy
On which portion of the sternum do the third through sixth ribs insert?
Body of the sternum
Xiphoid process
Manubrium
Clavicle
Humerus
Body of the sternum
The third through sixth ribs insert at the body of the sternum. They do not insert at the manubrium, xiphoid process, clavicle, or the humerus.
Example Question #244 : Gross Anatomy
Where is the jugular notch located in the sternum?
Clavicle
Body of the sternum
Xiphoid process
Humerus
Manubrium
Manubrium
The jugular notch, also known as the suprasternal notch is located at the superior portion of the manubrium. It is not located on the body of the sternum, the xiphoid process, the clavicle or the humerus.
Example Question #245 : Gross Anatomy
What joint separates the body of the sternum and the xiphoid process?
Xiphisternal joint
Acromioclavicular joint
Costoclavicular joint
Sternal angle
Coracoclavicular joint
Xiphisternal joint
The xiphisternal joint separates the body of the sternum and the xiphoid process. The sternal angle separates the manubrium and the body of the sternum.
Example Question #241 : Gross Anatomy
The pelvic outlet is bounded by which of the following structures?
Inferior margin of the pubic symphysis and the sacral promontory
Public tubercle and the ischial tuberosity
Superior margin of the pubic symphysis and the tip of coccyx
Inferior margin of the pubic symphysis and the tip of coccyx
Inferior margin of the pubic symphysis and the tip of coccyx
The pelvic outlet is the lower circumference of the lesser pelvis. The pelvic outlet is bounded anterior-posteriorly by the pelvic arch (specifically the inferior margin of the pubic symphysis) and the tip of the coccyx. Laterally it is bound by the ischial tuberosities.
Example Question #242 : Gross Anatomy
How many vertebrae are located in the vertebral column?
7
5
33
12
33
We have seven cervical vertebrae, twelve thoracic vertebrae, five lumbar vertebrae, five fused sacral vertebrae, and four fused coccygeal vertebrae. Adding these numbers tells us that we have thirty-three total vertebrae in our vertebral columns. A good way to remember that there are seven cervical, twelve thoracic, and five lumbar vertebrae is to think of the times that we eat breakfast, lunch, and dinner: 7 AM, 12 PM, and 5 PM.
Example Question #243 : Gross Anatomy
Which of the following portions of the vertebral column represent primary curvature?
Thoracic and lumbar
Thoracic and cervical
Lumbar and sacral
Cervical and lumbar
Thoracic and sacral
Thoracic and sacral
Primary curvature is found in newborns, whereas secondary curvature develops over time. The thoracic and sacral portions of the vertebral column are convex, giving babies a more hunched posture.
Example Question #244 : Gross Anatomy
Which bone lacks a spinous process and receives the occipital condyles?
Axis
L1
Atlas
T1
T2
Atlas
Atlas is another term for C1. Its superior articular facets receive the condyles of the occipital bone in the skull, which allows the neck to move backwards and forwards. The axis, or C2, has a superiorly projecting dens that distinguishes it from the atlas.
Example Question #245 : Gross Anatomy
Muscles around the __________ bone attaches to the mandible and larynx and contributes to swallowing.
thyroid
atlas
axis
C3
hyoid
hyoid
The hyoid bone acts as an attachment point for many muscles in the neck. When swallowing, the larynx is elevated and the epiglottis is removed from the glottis, allowing matter into the esophagus.
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